Home / 85,221.48-117,603.90-46,459.56

Finding the Fourth Proportional to 85,221.48, 117,603.90 and 46,459.56

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Solution

The fourth proportional to 85,221.48, 117,603.90 and 46,459.56 is: 64,113.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,221.48 : 117,603.90 = 46,459.56 : x
  2. Step 2: Convert to fraction form
    85,221.48/117,603.90 = 46,459.56/x
  3. Step 3: Cross multiply
    85,221.48x = 117,603.90 × 46,459.56
  4. Step 4: Simplify right side
    85,221.48x = 5,463,825,448.28
  5. Step 5: Solve for x
    x = 5,463,825,448.28/85,221.48
  6. Step 6: Final answer
    x = 64,113.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.